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113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/* ------------------------------------------------------------------
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* Copyright (C) 1998-2009 PacketVideo
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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* -------------------------------------------------------------------
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*/
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/*
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------------------------------------------------------------------------------
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PacketVideo Corp.
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MP3 Decoder Library
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Filename: pvmp3_getbits.h
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Date: 09/21/2007
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------------------------------------------------------------------------------
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REVISION HISTORY
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Description:
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------------------------------------------------------------------------------
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INCLUDE DESCRIPTION
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------------------------------------------------------------------------------
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*/
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/*----------------------------------------------------------------------------
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; CONTINUE ONLY IF NOT ALREADY DEFINED
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----------------------------------------------------------------------------*/
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#ifndef PVMP3_GETBITS_H
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#define PVMP3_GETBITS_H
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/*----------------------------------------------------------------------------
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; INCLUDES
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----------------------------------------------------------------------------*/
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#include "pvmp3_dec_defs.h"
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#include "s_mp3bits.h"
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#include "pvmp3_audio_type_defs.h"
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/*----------------------------------------------------------------------------
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; MACROS
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; Define module specific macros here
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----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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; DEFINES
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; Include all pre-processor statements here.
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----------------------------------------------------------------------------*/
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#define INBUF_ARRAY_INDEX_SHIFT (3)
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#define INBUF_BIT_WIDTH (1<<(INBUF_ARRAY_INDEX_SHIFT))
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#define INBUF_BIT_MODULO_MASK ((INBUF_BIT_WIDTH)-1)
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/*----------------------------------------------------------------------------
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; EXTERNAL VARIABLES REFERENCES
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; Declare variables used in this module but defined elsewhere
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----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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; SIMPLE TYPEDEF'S
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----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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; ENUMERATED TYPEDEF'S
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----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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; STRUCTURES TYPEDEF'S
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----------------------------------------------------------------------------*/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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uint32 getNbits(tmp3Bits *pMainData,
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int32 neededBits);
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uint16 getUpTo9bits(tmp3Bits *pMainData,
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int32 neededBits);
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uint32 getUpTo17bits(tmp3Bits *pMainData,
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int32 neededBits);
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uint8 get1bit(tmp3Bits *pMainData);
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#ifdef __cplusplus
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}
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#endif
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/*----------------------------------------------------------------------------
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; GLOBAL FUNCTION DEFINITIONS
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; Function Prototype declaration
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----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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; END
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----------------------------------------------------------------------------*/
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#endif
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